Real Medical Conditions that May Have Inspired Vampire and Werewolf Myths

Throughout history, superstition drove many unlikely diagnoses for scary medical conditions. Then science caught up.

By Tim Brinkhof
Oct 25, 2021 7:00 PMOct 25, 2021 7:01 PM
Werewolf vampire
(Credit: Joe Prachatree/Shutterstock

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No matter how improbable some myths and legends may seem, many of them are rooted in reality. Instances of civilization-destroying floods appearing in many religious narratives across the globe, for example, have led historians to hypothesize that these events may have been inspired by an actual rise in sea levels following the Last Glacial Maximum.

Similarly, folkloric creatures like vampires and werewolves are believed to have originated not from the minds of storytellers, but all-too-real diseases and medical conditions which, in times when humanity’s scientific knowledge was not nearly as advanced as it is today, sparked the imaginations of our ancestors, resulting in the legends of monsters we still know and fear. 

The Vampire Hunts 

Today’s view of vampires is based heavily on Dracula, the character from Bram Stoker’s 1897 novel of the same name. However, the true origins of these blood-sucking creatures actually goes back further than the publication of the iconic text. The concept first received widespread attention from western European scholars in 1718, when Austria gained control of Serbia.

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